Q. Circuit switching provides greater efficiency in comparison to circuit switching.

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Q. __________ was developed by CCITT to provide standard connectionless network access protocols for three layers of OSI model.

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Q. X.25 protocols specify particular data rates.

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Q. US cellular standard CDPD stands for _________

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Q. CDPD is data service for third generation US cellular systems.

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Q. Which of the following is true for CDPD?

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Q. CDPD channel is _________

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Q. CDPD transmissions are carried out using ________ blocks.

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Q. MDLP is _________

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Q. The layer protocol, RRMP stands for _________

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Q. ARDIS is a public network service.

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Q. RMD is a _______ and ________ data service.

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Q. The MSC provides subscriber access to the PSTN via the _______

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Q. ________ controls the switching of messages between nodes in the CCS network.

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Q. ISDN stands for ___________

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Q. ISDN is based on the concept of __________

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Q. Signalling component that supports traffic between the end-user and network is called ________

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Q. Access signalling is governed by the SS7 suite of protocols.

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Q. Information bearing channels in ISDN are called ______

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Q. ISDN provides integrated end user access to only packet switched networks.

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